modules: allow for more modules to be added

1 files changed, 160 insertions, 0 deletions

diff --git a/modules/matrix-appservices/as-formats.nix b/modules/matrix-appservices/as-formats.nix
new file mode 100644
index 0000000..fa7a4cf
--- /dev/null
+++ b/modules/matrix-appservices/as-formats.nix
@@ -0,0 +1,160 @@
+{ name, systemConfig, asConfig, lib, pkgs, ... }:
+
+with lib;
+let
+  inherit (systemConfig.services.matrix-appservices)
+    homeserverURL
+    homeserverDomain;
+  package = asConfig.package;
+  pname = getName package;
+  command = "${package}/bin/${pname}";
+
+  mautrix = {
+    startupScript = ''
+      ${command} --config=$SETTINGS_FILE \
+        --registration=$REGISTRATION_FILE
+    '';
+
+    settings = {
+      homeserver = {
+        address = homeserverURL;
+        domain = homeserverDomain;
+      };
+
+      appservice = with asConfig; {
+        address = "http://${host}:${toString port}";
+
+        hostname = host;
+        inherit port;
+
+        state_store_path = "$DIR/mx-state.json";
+        # mautrix stores the registration tokens in the config file
+        as_token = "$AS_TOKEN";
+        hs_token = "$HS_TOKEN";
+      };
+
+      bridge = {
+        username_template = "${name}_{userid}";
+        permissions = {
+          ${homeserverDomain} = "user";
+        };
+      };
+    };
+  };
+
+in
+{
+  other = {
+    description = ''
+      No defaults will be set.
+    '';
+  };
+
+  matrix-appservice = {
+    startupScript = ''
+      ${command} \
+        --config=$SETTINGS_FILE \
+        --port=$(echo ${asConfig.listenAddress} | sed 's/.*://') \
+        --file=$REGISTRATION_FILE
+    '';
+
+    description = ''
+      For bridges based on the matrix-appservice-bridge library. The settings for these
+      bridges are NOT configured automatically, because of the various differences
+      between them.
+    '';
+  };
+
+  mx-puppet = {
+    startupScript = ''
+      ${command} \
+        --config=$SETTINGS_FILE \
+        --registration-file=$REGISTRATION_FILE
+    '';
+
+    registrationData =
+      let
+        # mx-puppet virtual users are always created based on the package name
+        botName = removePrefix "mx-puppet-" pname;
+      in
+      {
+        id = "${botName}-puppet";
+        sender_localpart = "_${botName}puppet_bot";
+        protocols = [ ];
+        namespaces = {
+          rooms = [ ];
+          users = [
+            {
+              regex = "@_${botName}puppet_.*:${homeserverDomain}";
+              exclusive = true;
+            }
+          ];
+          aliases = [
+            {
+              regex = "#_${botName}puppet_.*:${homeserverDomain}";
+              exclusive = true;
+            }
+          ];
+        };
+      };
+
+    settings = {
+      bridge = {
+        inherit (asConfig) port;
+        bindAddress = asConfig.host;
+        domain = homeserverDomain;
+        homeserverUrl = homeserverURL;
+      };
+      database.filename = "$DIR/database.db";
+      provisioning.whitelist = [ "@.*:${homeserverDomain}" ];
+      relay.whitelist = [ "@.*:${homeserverDomain}" ];
+      selfService.whitelist = [ "@.*:${homeserverDomain}" ];
+      logging = {
+        lineDateFormat = "";
+        files = [ ];
+      };
+    };
+
+    serviceConfig.WorkingDirectory =
+      "${package}/lib/node_modules/${pname}";
+
+    description = ''
+      For bridges based on the mx-puppet-bridge library. The settings will be
+      configured to use a sqlite database. Make sure to override database.filename,
+      if you plan to use another database.
+    '';
+
+  };
+
+  mautrix-go = {
+    inherit (mautrix) startupScript;
+
+    settings = recursiveUpdate mautrix.settings {
+      bridge.username_template = "${name}_{{.}}";
+      appservice.database = {
+        type = "sqlite3";
+        uri = "$DIR/database.db";
+      };
+    };
+
+    description = ''
+      The settings are configured to use a sqlite database. The startupScript will
+      create a new config file on every run to set the tokens, because mautrix
+      requires them to be in the config file.
+    '';
+  };
+
+  mautrix-python = {
+    settings = recursiveUpdate mautrix.settings {
+      appservice.database = "sqlite:///$DIR/database.db";
+    };
+
+    startupScript = optionalString (package ? alembic)
+      "${package.alembic}/bin/alembic -x config=$SETTINGS_FILE upgrade head\n"
+    + mautrix.startupScript;
+    description = ''
+      Same properties as mautrix-go. This will also upgrade the database on every run
+    '';
+  };
+
+}